The book 'Driven' written by veteran sports journalist Vijay Lokapally recalls various events involving Indian Test Cricket captain Virat Kohli. In 2014, on the occasion of Teacher's Day Virat gifted a car to his Guru  Rajkumar Sharma. Rajkumar stood perplexed as Virat's brother Vikas requested him to step out of his house. A gleaming Skoda Rapid was parked at the gate -- a gift from Virat to his mentor". He said, "It was not merely because he had gifted me the car. It was because of his emotional touch to the process of reminding me how much he treasured our association, and valued the role of a teacher in his life." A new book written on the Indian Test captain reveals the 'secret' behind Kohli getting a nickname as Chikoo. "One evening, he returned to the hotel with his hair nicely cropped. He has spotted a fancy hair salon close by and given himself a new look. 'How is it?' he asked excitedly as he ran into a couple of younger colleagues. 'Not bad, you look like a Chikoo (Sapodilla)," joked Ajit Chowdhary, the assistant coach looking from a distance. "The name struck. Chikoo. Virat didn't mind it all.